20 15 Solving Simple Equations 1 THE CARE AND TREATMENT OF EQUATIONS 2 ISOLATING X 3 ADDITION AND SUBTRACTION WITH X 4 MULTIPLICATION AND DIVISION WITH X 5 FRACTIONS AND DECIMALS IN EQUATIONS 6 NEGATIVE NUMBERS 7 MULTI-STEP EQUATIONS
21 16 Powers and Roots 1 EXPONENTS 2 ROOTS 3 ADVANCED PROBLEMS
22 17 Very Large and Very Small Numbers 1 WRITING LARGE NUMBERS 2 SCIENTIFIC NOTATION 3 MILLIONS, BILLIONS, TRILLIONS, AND BEYOND 4 MULTIPLYING LARGE NUMBERS 5 DIVIDING LARGE NUMBERS 6 SCIENTIFIC NOTATION FOR VERY SMALL NUMBERS
23 18 Algebra Problems 1 AGE PROBLEMS 2 FINDING THE NUMBERS 3 MIXTURE PROBLEMS
24 19 Interest Rates 1 SIMPLE INTEREST 2 COMPOUND INTEREST 3 A WORD ON CONTINUOUS COMPOUNDING 4 DOUBLING TIME: THE RULE OF 70 5 DISCOUNTING
25 20 Rate, Time, and Distance 1 THE MAGIC FORMULA 2 THE TERMS 3 FINDING DISTANCE 4 FINDING RATE 5 FINDING TIME 6 RATE, TIME, AND DISTANCE PROBLEMS 7 SPEED LIMIT PROBLEMS
26 21 Personal Finance 1 MARK-DOWN PROBLEMS 2 SALES TAX PROBLEMS 3 CREDIT CARDS 4 FEDERAL INCOME TAX 5 MORTGAGE INTEREST AND TAXES
27 22 Business Math 1 COMMISSIONS 2 MARK-UPS 3 DISCOUNTING FROM LIST PRICE 4 QUANTITY DISCOUNTS 5 2/10 N/30 6 CHAIN DISCOUNTS 7 PROFIT
28 23 A Taste of Statistics 1 DISTRIBUTIONS OF DATA 2 MEASURES OF CENTER 3 MEASURES OF SPREAD 4 ESTIMATING
29 24 Review CHAPTER 3 REVIEW CHAPTER 4 REVIEW CHAPTER 5 REVIEW CHAPTER 6 REVIEW CHAPTER 7 REVIEW CHAPTER 8 REVIEW CHAPTER 9 REVIEW CHAPTER 10 REVIEW CHAPTER 11 REVIEW CHAPTER 12 REVIEW CHAPTER 13 REVIEW CHAPTER 14 REVIEW CHAPTER 15 REVIEW CHAPTER 16 REVIEW CHAPTER 17 REVIEW CHAPTER 18 REVIEW CHAPTER 19 REVIEW CHAPTER 20 REVIEW CHAPTER 21 REVIEW CHAPTER 22 REVIEW CHAPTER 23 REVIEW